NAICS 221320 — SEWAGE TREATMENT FACILITIES
Federal contract awards classified under NAICS code 221320 (SEWAGE TREATMENT FACILITIES) cover 132 unique federal contracts (145 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.
Top Contractors in NAICS 221320
Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.
| Contractor | Awards | Total Obligated |
|---|---|---|
| AMERICAN WATER MILITARY SERVICES, LLC | 2 | $249.5M |
| CITY OF ABERDEEN | 1 | $195.8M |
| OLD DOMINION UTILITY SERVICES, INC. | 1 | $185.8M |
| HARNETT, COUNTY OF NORTH CAROLINA | 1 | $80.1M |
| VEOLIA WATER WEST OPERATING SERVICES INC | 1 | $75.5M |
| AMERICAN STATES UTILITY SERVICES INC | 1 | $24.0M |
| SAN ANTONIO RIVER AUTHORITY | 1 | $18.5M |
| BAIRCO CONSTRUCTION INC | 1 | $9.9M |
| P D R PROPERTIES, INC. | 1 | $9.8M |
| KENT COUNTY GOVERNMENT | 1 | $8.5M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 221320. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Defense | 49 | $801.5M |
| Department of State | 11 | $75.9M |
| Department of Justice | 44 | $12.7M |
| Department of the Interior | 8 | $10.5M |
| Department of Agriculture | 4 | $2.0M |
| Department of Homeland Security | 5 | $1.7M |
| Department of the Treasury | 5 | $914,330.95 |
| Smithsonian Institution | 1 | $531,710.54 |
| Department of Energy | 2 | $60,560 |
| Department of Health and Human Services | 1 | $56,000 |
Geographic Concentration
States where NAICS 221320 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| MD | 3 | $220.3M |
| VA | 5 | $186.9M |
| NY | 2 | $163.4M |
| NC | 5 | $86.8M |
| FL | 3 | $86.8M |
| CA | 13 | $80.6M |
| TX | 2 | $18.6M |
| KY | 9 | $10.4M |
| MT | 1 | $9.9M |
| DE | 1 | $8.5M |
Most Recent Awards
HERLONG PUBLIC UTILITY DISTRICT
FY 26 - WASTE WATER SERVICE FEB AND MARCH FY26 $67101.93 EACH
STAT WASTE STREAM SERVICES INC
MAINTENANCE PROGRAM AND TESTING FOR ON-SITE WATER TREATMENT SYSTEMS
A&G SEPTIC AND GREASE LLC
FCI MIAMI EMERGENCY SEWER-LIFT STATION REPAIR 26Z3AS4
ILLINOIS-AMERICAN WATER COMPANY
FY26 P4 IL AMERICAN WATER UTILITY QTR 2 RP# 26-0068
ALLEGHENY SITE MANAGEMENT, INC
ALF NORTH CENTRAL LAGOON WASTEWATER PLANT OPERATION.
All Unique Contracts in NAICS 221320
Showing 132 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
WAYMART AREA AUTHORITY
FY26 SEWER/WASTE WATER SERVICE FOR USP CANAAN, WAYMART, PA 18472 BASED OFF CONTRACT #15B21518D00000032
K.I. KOGYO LTD.
OWW BARGE SERVICE
BRISTOL BAY BOROUGH OF
IGF::OT::IGF KING SALMON AIR STATION SEWER UTILITY.
CITY OF LIVERMORE
SANITARY SEWER AND WASTEWATER SERVICES TO THE LIVERMORE FIELD OFFICE (NA-LL).
COMP ENVIRONMENTAL INC
BASE YEAR FFP
HERLONG PUBLIC UTILITY DISTRICT
FY 26 - WASTE WATER SERVICE NOVEMBER FY26
K.I. KOGYO LTD.
OWW SERVICE